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The hind limbs or the legs also have three bones each.
Femur or the thigh bone is the longest bone in the

body. The lower leg has two bones called tibia and
fibula. The ankle and toes also have many small bones.

The Girdles

The forelimbs and the hind limbs are attached to the

girdles. The forelimbs or arms are attached to the
pectoral girdle. Pectoral girdle consists of shoulder

blades and collar bone.

The hind limbs or the legs are attached to the pelvic
girdle. The kidneys and the urinary bladder are
Fore limb Hind Limb
protected by the pelvic girdle.

JOINTS AND LIGAMENTS

The most of bones are connected to other bones. The place where two bones

join together is called a joint . Strong bands of tissue called ligaments hold the
bones together in a joint. Ligaments are strong but they can let your bones

move.

Types of Joints

There are two main types of joints in our body :

Immovable Joints

These joints simply connect the bones. They do not

Immovable Joints allow the movement of bones.

Movable Joints

These joints allow full movement of bones.

There are four types of movable joints :

w Hinge joint w Ball and socket joint
w Pivot joint w Gliding joint
Movable Joints

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Quenching Your Scientific Thirst
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Each bone in our body has got a name! The smallest bone in our body is in

the ear. It is called the stirr up and is as small as a rice grain!

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